Any way to reset the permission of OS to default ?

General support questions including new installations
z_haseeb
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Any way to reset the permission of OS to default ?

Postby z_haseeb » 2012/02/17 15:19:00

Linux = 5 (RHEL 5)

One of my friend accidently run the command chmod -R 777 / which actually set rwxrwxrwx permission

Any way to reset the permission to default please ? (which can reset the permission as the newly created OS)

SKull
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Re: Any way to reset the permission of OS to default ?

Postby SKull » 2012/02/17 16:52:17

Oh my...

well all the system directories (/etc, /bin, etc) in my root have drwxr-xr-x.
all the files in /etc have -rw-r--r--.

files in /bin are -rwxr-xr-x

...

But honestly I would backup all my important conf files and do a fresh install.

[edit]What does the RHEL Support say to this?[/edit]

milosb
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Re: Any way to reset the permission of OS to default ?

Postby milosb » 2012/02/17 16:59:52

SKull wrote:
But honestly I would backup all my important conf files and do a fresh install.

I have to disagree and point out that google-ing for "rpm --setperms" returns a less painful solution to the problem.

However, I do agree that this is a question RHEL support should address :-o

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AlanBartlett
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Any way to reset the permission of OS to default ?

Postby AlanBartlett » 2012/02/17 17:55:39

Working on the assumption that it may be rather embarrassing to mention that "mishap" to Red Hat support, here's a brash "one-liner" that should solve the problem for the OS packages --

Code: Select all

[b]for P in $(rpm -qa); do rpm --setperms $P; done[/b]

Obviously the users' files and data files will need to be manually adjusted.


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